Transmission Control System Bandwidth Allocation
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Solution Overview
Problem
In IoT systems, the increased communication traffic from multiple machines limits the transmissible data volume due to bandwidth restrictions, with existing methods often including low-priority data in batch notifications, leading to inefficient usage of communication networks.
Innovation Solution
A transmission control system that includes a numerical control unit, behavior acquisition unit, priority determination unit, and bandwidth control unit to prioritize and allocate communication bandwidth based on the types and combinations of operating and behavior information, dynamically adjusting priority based on sampling periods and historical data variations, and temporarily retaining data for deferred transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If batch notification of all measurement data is implemented from every machine, then complete data transmission is achieved, but communication bandwidth is wasted due to inclusion of low-importance data
Solution Approach 1:
The patent applies local quality by assigning different transmission priorities to different types of measurement data based on their importance. Critical data such as alarm information and error data are marked with high priority for immediate transmission, while routine operational data is marked with lower priority. This differential treatment optimizes bandwidth usage by ensuring critical information is transmitted promptly while reducing unnecessary transmission of less important data.
Solution Approach 2:
The patent changes the parameter of transmission timing by introducing priority levels that affect when data is transmitted. High-priority data is transmitted immediately when generated, while low-priority data is transmitted during periods of lower network traffic or when bandwidth is available. This dynamic parameter adjustment resolves the contradiction by maintaining data completeness while optimizing bandwidth utilization through timing variations.
2Ease of operation
If communication bandwidth is allocated to all machines equally, then fair data transmission is achieved, but critical data from multiple machines may be delayed due to bandwidth limitations
Solution Approach 1:
The patent implements local quality by providing differentiated bandwidth allocation to different machines and data types based on their specific needs. Machines or data sources generating critical information receive higher bandwidth allocation and priority handling, while those generating routine data receive standard allocation. This resolves the contradiction by maintaining fairness for general traffic while ensuring timely transmission of critical data through localized quality enhancement.
Solution Approach 2:
The patent employs feedback mechanisms where the system monitors network conditions, data types, and transmission success rates to dynamically adjust bandwidth allocation. When critical data is detected or network congestion occurs, the system reallocates bandwidth dynamically to prioritize important transmissions. This feedback-driven approach maintains overall fairness while ensuring critical data timeliness through adaptive resource management.
3Device complexity
If all measurement data is transmitted at the same priority level, then simple transmission control is maintained, but important data cannot be distinguished and transmitted timely
Solution Approach 1:
The patent applies local quality by implementing priority marking at the data packet level rather than requiring complex system-wide differentiation. Each measurement data packet is tagged with a priority indicator (e.g., high, medium, low) based on its type and importance. The transmission control system then uses these simple tags to determine transmission timing and bandwidth allocation, achieving reliable timely transmission of critical data while keeping the control mechanism relatively simple through localized quality differentiation.
Solution Approach 2:
The patent changes the parameter of data classification by introducing priority levels that transform uniform data transmission into differentiated transmission. Instead of treating all data equally, the system assigns priority parameters to different data types (e.g., alarm data = high priority, operational data = low priority). This parameter change enables timely transmission of important data while maintaining manageable system complexity through standardized priority classification schemes.
Data Source
AI summary
To provide a transmission control system that can efficiently utilize communication bandwidth upon transmitting measurement data of machines. A transmission control system includes: a numerical control unit that controls operating of machines and acquires operating information; an A/C conversion unit that acquires behavior information measured by way of a sensor provided to the machine; a priority determination unit that determines priority of transmission in accordance with a condition set in advance, based on types and combinations of the operating information and the behavior information; and a bandwidth control unit that controls allocation of communication bandwidth for transmitting the operating information and the behavior information, based on a usage condition of communication bandwidth and the priority.